7.8

CVE-2024-53103: hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer

Modified
AliasesUBUNTU-CVE-2024-53103DEBIAN-CVE-2024-53103
Published 02-12-2024Last modified 05-08-2026

Vulnerability summary

CVE-2024-53103 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 38 · Related 37
DLA-4008-1DLA-4075-1LSN-0109-1RHSA-2025:6966SUSE-SU-2025:0117-1SUSE-SU-2025:0153-1

Timeline

  1. 02-12-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer When hvs is released, there is a possibility that vsk->trans may not be initialized to NULL, which could lead to a dangling pointer. This issue is resolved by initializing vsk->trans to NULL.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.24% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu133 products
  • linux< 4.15.0-233.245 | < 5.4.0-205.225 | < 5.15.0-131.141 | < 6.8.0-52.53
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.15.0-1177.190 | < 5.4.0-1139.149 | < 5.15.0-1078.85 | < 6.8.0-1023.25
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9, < 285266ef92f7b4bf7d26e1e95e215ce6a6badb4a | ≥ ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9, < 4fe1d42f2acc463b733bb42e3f8e67dbc2a0eb2d | ≥ ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9, < 414476c4fb11be070c09ab8f3e75c9ee324a108a | ≥ ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9, < 7cf25987820350cb950856c71b409e5b6eed52bd | ≥ ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9, < 98d8dde9232250a57ad5ef16479bf6a349e09b80 | ≥ ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9, < 4bdc5a62c6e50600d8a1c3e18fd6dce0c27c9497 | ≥ ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9, < e0fe3392371293175f25028020ded5267f4cd8e3 | ≥ ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9, < 8621725afb38e111969c64280b71480afde2aace | ≥ ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9, < e629295bd60abf4da1db85b82819ca6a4f6c1e79 | 4.14
  • linux_kernel< 4.19.324 | ≥ 4.20, < 5.4.286 | ≥ 5.5, < 5.10.230 | ≥ 5.11, < 5.15.172 | ≥ 5.16, < 6.1.117 | ≥ 6.2, < 6.6.61 | ≥ 6.7, < 6.11.8 | 6.12 | 6.12:rc1 | 6.12:rc2 | 6.12:rc3 | 6.12:rc4 | 6.12:rc5 | 6.12:rc6 | 6.12:rc7
Debian1 product
  • linux< 6.1.119-1 | < 6.11.9-1

3 vendors · 136 products

References

42 links
Show all 42 references